wip

app/lib/pluginManager.ts

@@ -0,0 +1,40 @@
+import { promisify } from 'util'
+
+
+export class PluginManager {
+    npm: any
+    npmReady?: Promise<void>
+
+    async ensureLoaded (): Promise<void> {
+        if (!this.npmReady) {
+            this.npmReady = new Promise(resolve => {
+                const npm = require('npm')
+                npm.load(err => {
+                    if (err) {
+                        console.error(err)
+                        return
+                    }
+                    npm.config.set('global', false)
+                    this.npm = npm
+                    resolve()
+                })
+            })
+        }
+        return this.npmReady
+    }
+
+    async install (path: string, name: string, version: string): Promise<void> {
+        await this.ensureLoaded()
+        this.npm.prefix = path
+        return promisify(this.npm.commands.install)([`${name}@${version}`])
+    }
+
+    async uninstall (path: string, name: string): Promise<void> {
+        await this.ensureLoaded()
+        this.npm.prefix = path
+        return promisify(this.npm.commands.remove)([name])
+    }
+}
+
+
+export const pluginManager = new PluginManager()